20179940778

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5263417}}^1$

素因数の和:5263499

約数の個数: 32

約数和(自身を含む): 45475931520

約数和(自身を除く): 25295990742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 5263417, 10526834, 15790251, 31580502, 47370753, 94741506, 142112259, 284224518, 373702607, 747405214, 1121107821, 2242215642, 3363323463, 6726646926, 10089970389, 20179940778]

約数ペア:

[(1, 20179940778), (2, 10089970389), (3, 6726646926), (6, 3363323463), (9, 2242215642), (18, 1121107821), (27, 747405214), (54, 373702607), (71, 284224518), (142, 142112259), (213, 94741506), (426, 47370753), (639, 31580502), (1278, 15790251), (1917, 10526834), (3834, 5263417)]